Patent number: 4940789
Abstract: This invention involves novel neuroprotectant agents of the formula: ##STR1## in which R.sup.1 and R.sup.3 are, independently, hydrogen, alkyl, alkoxy, hydroxy, cyano, nitro, halo, trifluoromethyl, amino, alkylamino or dialkylamino; R.sup.2 is alkyl; R.sup.4 is alkyl, phenyl or benzyl; n is 0 or 1; m is one of the integers 0,1,2,3,4,5 or 6; and X is alkyl, alkylamino, dialkylamino, alkanoyl or substituted or unsubstituted phenyl, pyridinyl, pyrimidinyl, pyrazinyl, quinolyl, morpholinyl, furyl thienyl, pyrrolyl, tetrahydrofuryl, tetrahydrothienyl, pyrrolidinyl, piperidinyl, piperazinyl or perhydropyridminyl, in which the subsitutent is alkyl, alkoxy, halo, trifluoromethyl, cyano, nitro or hydroxy; or a pharmaceutically acceptable salt thereof; and their use in control of degenerative CNS disease states.
Type:
Grant
Filed:
October 10, 1989
Date of Patent:
July 10, 1990
Assignee:
American Home Products Corporation
Inventors:
Wayne E. Childers, Jr., Magid A. Abou-Gharbia
Patent number: 4921958
Abstract: The compounds of the formula: ##STR1## wherein Ad is 1-adamantyl, 2-adamantyl or 3-noradamantyl; n is 1,2,3,4 or 5; R.sup.1 hydrogen, alkyl, phenyl, benzyl, or substituted phenyl or benzyl in which the substituent is alkyl, alkoxy, halo, cyano, nitro or trifluoromethyl; R.sup.2 is phenyl, benzyl or substituted phenyl or benzyl in which the substituent is alkyl, alkoxy, halo, nitro, cyano or perhalomethyl, 2-, 3-, or 4-pyridinyl, 2-, 4- or 5-pyrimidinyl or 2- or 3-pyrazinyl; R.sup.3 and R.sup.4 are, independently, hydrogen, methyl, phenyl or benzyl; or a pharmaceutically acceptable salt thereof, are useful anxiolytic/antidepressant agents, with elements of antipsychotic activity.
Type:
Grant
Filed:
September 27, 1989
Date of Patent:
May 1, 1990
Assignees:
American Home Products Corporation, John Wyeth & Brother Limited
Inventors:
Magid A. Abou-Gharbia, John P. Yardley, Wayne E. Childers, Jr., Ian A. Cliffe